SDM-9XXX Series Hardware Installation Guide
4-34 Memotec Inc.
To connect an RJ-48 cable:
1. Connect one end of the cable to the RJ-48 connector on the interface card.
2. Connect the other end to the network or to the RJ-48 connector on another digital
interface card.
NOTE: You must install a ferrite on each cable connected to an ISDN-BRI S/T
port on an SDM-9220 UAC or SDM-9230 UAC installed in the European
Union or Russia. These ferrites are
not provided with the product package.
For instructions, turn to “Installing the Ferrites (EMI Filters)” on page 3-26.
4.10.10 Supporting E1-75 on a T1/E1 Port
An E1-75 connection requires:
• An adaptor for E1-75 operations, as described in the next section
• Strain relief for the cables to ensure that they do not loosen from the digital port.
Refer to “E&M Wiring and Grounding” on page 3-23.
• 2 jumpers on the interface board, to prevent electromagnetic interference. For
installation, refer to “E1-75 Jumpers” on page 3-13.
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